<!DOCTYPE html>
<html>

<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  <title>获得年份 </title>
  <script type="text/javascript">
    var mydate = new Date();
    var myyear = mydate.getFullYear;
    document.write("年份:" + myyear);
  </script>
</head>

<body>
</body>

</html>